1 | /* |
2 | * Copyright (C) 2000 Lars Knoll (knoll@kde.org) |
3 | * (C) 2000 Antti Koivisto (koivisto@kde.org) |
4 | * (C) 2000 Dirk Mueller (mueller@kde.org) |
5 | * Copyright (C) 2003, 2005, 2006, 2007, 2008 Apple Inc. All rights reserved. |
6 | * |
7 | * This library is free software; you can redistribute it and/or |
8 | * modify it under the terms of the GNU Library General Public |
9 | * License as published by the Free Software Foundation; either |
10 | * version 2 of the License, or (at your option) any later version. |
11 | * |
12 | * This library is distributed in the hope that it will be useful, |
13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
15 | * Library General Public License for more details. |
16 | * |
17 | * You should have received a copy of the GNU Library General Public License |
18 | * along with this library; see the file COPYING.LIB. If not, write to |
19 | * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, |
20 | * Boston, MA 02110-1301, USA. |
21 | * |
22 | */ |
23 | |
24 | #pragma once |
25 | |
26 | #include "CachedResourceHandle.h" |
27 | #include "StyleImage.h" |
28 | |
29 | namespace WebCore { |
30 | |
31 | class CSSValue; |
32 | class CachedImage; |
33 | class Document; |
34 | |
35 | class StyleCachedImage final : public StyleImage { |
36 | WTF_MAKE_FAST_ALLOCATED; |
37 | public: |
38 | static Ref<StyleCachedImage> create(CSSValue& cssValue) { return adoptRef(*new StyleCachedImage(cssValue)); } |
39 | virtual ~StyleCachedImage(); |
40 | |
41 | bool operator==(const StyleImage& other) const final; |
42 | |
43 | CachedImage* cachedImage() const final; |
44 | |
45 | WrappedImagePtr data() const final { return m_cachedImage.get(); } |
46 | |
47 | Ref<CSSValue> cssValue() const final; |
48 | |
49 | bool canRender(const RenderElement*, float multiplier) const final; |
50 | bool isPending() const final; |
51 | void load(CachedResourceLoader&, const ResourceLoaderOptions&) final; |
52 | bool isLoaded() const final; |
53 | bool errorOccurred() const final; |
54 | FloatSize imageSize(const RenderElement*, float multiplier) const final; |
55 | bool imageHasRelativeWidth() const final; |
56 | bool imageHasRelativeHeight() const final; |
57 | void computeIntrinsicDimensions(const RenderElement*, Length& intrinsicWidth, Length& intrinsicHeight, FloatSize& intrinsicRatio) final; |
58 | bool usesImageContainerSize() const final; |
59 | void setContainerContextForRenderer(const RenderElement&, const FloatSize&, float) final; |
60 | void addClient(RenderElement*) final; |
61 | void removeClient(RenderElement*) final; |
62 | RefPtr<Image> image(RenderElement*, const FloatSize&) const final; |
63 | float imageScaleFactor() const final; |
64 | bool knownToBeOpaque(const RenderElement*) const final; |
65 | |
66 | private: |
67 | StyleCachedImage(CSSValue&); |
68 | URL imageURL(); |
69 | |
70 | Ref<CSSValue> m_cssValue; |
71 | bool m_isPending { true }; |
72 | mutable float m_scaleFactor { 1 }; |
73 | mutable CachedResourceHandle<CachedImage> m_cachedImage; |
74 | }; |
75 | |
76 | } // namespace WebCore |
77 | |
78 | SPECIALIZE_TYPE_TRAITS_STYLE_IMAGE(StyleCachedImage, isCachedImage) |
79 | |